Some soundcards have some MIDI signals included in their Gameport. Ground and VCC has been used for this.
 (at the computer)
 (at the computer)
 (at the joystick cable)
 (at the joystick cable)
15 PIN D-SUB FEMALE at the computer.
15 PIN D-SUB MALE at the joystick cable.
| Pin | Name | Dir | Description | 
|---|---|---|---|
| 1 | +5V |  | +5 VDC | 
| 2 | /B1 |  | Button 1 | 
| 3 | X1 |  | Joystick 1 - X | 
| 4 | GND |  | Ground | 
| 5 | GND |  | Ground | 
| 6 | Y1 |  | Joystick 1 - Y | 
| 7 | /B2 |  | Button 2 | 
| 8 | +5V |  | +5 VDC | 
| 9 | +5V |  | +5 VDC | 
| 10 | /B4 |  | Button 4 | 
| 11 | X2 |  | Joystick 2 - X | 
| 12 | MIDITXD |  | MIDI Transmit | 
| 13 | Y2 |  | Joystick 2 - Y | 
| 14 | /B3 |  | Button 3 | 
| 15 | MIDIRXD |  | MIDI Receive | 
  Note: Direction is Computer relative Joystick.
  Note: Use 100 kohm resistor.
Circuit Cellar Online has an great article about how to connect MIDI devices to your MPU401 compatible (SoundBlaster etc) soundcards gameport.
| Contributor: | Joakim Ögren | 
| Source: | ? | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-13